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How Spain ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Spain over time.
The largest autonomous systems registered to Spain by IPv4 footprint.
Spain against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
1,164 autonomous systems registered to Spain. Click an AS for detail.
| AS15704ES | AS15704 XTRA TELECOM S.A. | 960.8K | 368 |
| AS29119ES | SERVIHOSTING-AS AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL | 688.4K | 400 |
| AS12338ES | EUSKALTEL Euskaltel S.A. | 658.4K | 117 |
| AS12334ES | R Cable y Telecable Telecomunicaciones, S.A.U. | 443.4K | 37 |
| AS200845ES | AVATEL-AS AVATEL TELECOM, SA | 363.3K | 472 |
| 256 |
| — |
| 1 |
| AS49638ES | CATNIX Consorci de Serveis Universitaris de Catalunya | 256 | 1 | 2 |
| AS216016ES | ayto-murcia Ayuntamiento de Murcia | 256 | — | 1 |
| AS47312ES | ZIPPINGCARE-AS Zipping Care S.L. | 256 | — | 1 |
| AS201426ES | HostingSoltia Soltia Consulting SL | 256 | — | 1 |
| AS215656ES | servaticabcn Servatica Technologies, S.L. | 256 | 524.3K | 2 |
| AS212963ES | SERGIOB Sergio Bejarano Romero | 256 | — | 1 |
| AS212230ES | VIESGO VIESGO INFRAESTRUCTURAS ENERGETICAS S.L. | 256 | — | 1 |
| AS29109ES | MEDIOSAVANZADOS-AS MEDIOS AVANZADOS DE CALCULO Y DISENO, S.L. | 256 | — | 1 |
| AS197772ES | NODO50 NODO50, Altavoz por la libertad de expresion y comunicacion | 256 | — | 1 |
| AS200171ES | NTTSWSAAS-AS NUEVA TECNOLOGIA TECNICA, S.L. | 256 | — | 1 |
| AS199772ES | Fontventa FONTVENTA SL | 256 | — | 1 |
| AS202210ES | Renta4_AS RENTA 4 BANCO S.A. | 256 | — | 1 |
| AS212059ES | JWESP-AS TESTIGOS CRISTIANOS DE JEHOVA | 256 | 65.5K | 2 |
| AS209259ES | ASAENOR Corporacion Confidere SA | 256 | — | 1 |
| AS212957ES | HUCAME-AS Hucame Telecom Networks SLU | 256 | — | 1 |
| AS199195ES | AS_GUADALNET ANOTHER CALPE CONSULTING CONCEPT S.L. | 256 | 1 | 2 |
| AS208109ES | IDIADA IDIADA Automotive Technology, S.A. | 256 | — | 1 |
| AS42816ES | FLUMOTION FLUMOTION SERVICES, S.A. | 256 | — | 1 |
| AS216034ES | netkia_as NETKIA SOLUCIONES S.L. | 256 | — | 1 |
| AS214855ES | ROBOTSTXT Robotstxt S.L | 256 | — | 1 |
| AS199889ES | cvip Cvip Soluciones Tecnologicas Alternativas Sl. | 256 | 524.3K | 2 |
| AS199329ES | MEDIOLANUM BANCO MEDIOLANUM SA | 256 | — | 1 |
| AS29117ES | ChatHispano Asociacion IRC Hispano | 256 | 1 | 2 |
| AS28935ES | ODEC-ES-AS ODEC, CENTRO DE CALCULO Y APLICACIONES INFORMATICAS, S.A. | 256 | — | 1 |
| AS216371ES | ipglobal IPGLOBAL S.L. | 256 | 524.3K | 2 |
| AS199760ES | POYATOS-AS Pau Poyatos Fuentes | 256 | — | 1 |
| AS204810ES | SERENAE SERENAE SERVICIOS AVANZADOS SL | 256 | 16.4K | 2 |
| AS31164ES | LABESTEVE-AS ESTEVE PHARMACEUTICALS SA | 256 | — | 1 |
| AS199149ES | SOLINTEX-INSULAR Solintex Insular SLU | 256 | — | 1 |
| AS206826ES | ABERTISAUTOPISTAS ABERTIS AUTOPISTAS ESPANA, S.A | 256 | — | 1 |
| AS44989ES | AERNNOVA-AS AERNNOVA AEROSPACE SA Unipersonal | 256 | — | 1 |
| AS204629ES | Qemugen_Cloud Valor Information Technologies, S.L. | 256 | 65.5K | 2 |
| AS202915ES | CUSTOS-AS CUSTOS messium SLNE | 256 | 1 | 2 |
| AS35700ES | BBK Bilbao Bizkaia Kutxa | 256 | — | 1 |
| AS211441ES | Byficom BYFITEL COMUNICACIONES SL | 256 | 524.3K | 2 |
| AS211074ES | ESPUBLICO ESPUBLICO SERVICIOS PARA LA ADMINISTRACION SA | 256 | — | 1 |
| AS212932ES | wimaxrng Wimax Redes de Nueva Generacion S.L.U | 256 | — | 1 |
| AS202349ES | Fibrabox Fibercli Proyectos e Innovacion S.L. | 256 | — | 1 |
| AS199955ES | Adder_Computer_SL Adder Computer, SL | 256 | — | 1 |
| AS24580ES | SUPSA SUPSA SUPERMERCATS PUJOL SL | 256 | — | 1 |
| AS13137ES | AGENCIAEFE-AS AGENCIA EFE SA | 256 | — | 1 |
| AS214550ES | netsolutions Netsolutions Servicios de Telecomunicaciones SL | 256 | — | 1 |
| AS20906ES | ALLIANZ-AS Allianz Compania De Seguros y Reaseguros SA | 256 | — | 1 |
| AS211345ES | ValldignaLive Toni Plana i Peris | 256 | — | 1 |
| AS42212ES | BUILD2EDIFICA-AS NALANDA GLOBAL S.A. | 256 | — | 1 |
| AS219161ES | TEUIT-AS Teuit Sociedad Limitada | 256 | 524.3K | 2 |